package cn.usian.jyzx.product.mapper;

import cn.usian.jyzx.model.entity.product.Product;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

@Mapper
public interface ProductMapper {
    @Select("select * from product where id = #{productId}")
    Product getById(Long productId);
}
